Merge pull request #252 from stephanlachnit/p-fix-include

Fix missing include in iir_design.hpp

Author: dancazarin

include/kfr/dsp/iir_design.hpp

@@ -27,6 +27,8 @@
 
 #include "../base/filter.hpp"
 #include "../base/handle.hpp"
+#include "../base/reduce.hpp"
+#include "../math/complex_math.hpp"
 #include "../math/hyperbolic.hpp"
 #include "../simd/complex.hpp"
 #include "../simd/impl/function.hpp"